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Drawy vs Linwood Butterfly: catalog facts
Drawy	Linwood Butterfly
Free Free and open source under the GPL-3.0-or-later.	Free Free and open source under the AGPL-3.0 licence.
Linux	Linux, Android, Web
Infinite canvas for free-form sketching Runs locally with no account	Infinite canvas instead of fixed pages Strokes and elements stay editable after placing them
Young project Linux only	Freeform canvas suits handwriting more than structured text notes Infinite canvas documents can be harder to navigate than linear notes
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-3.0-or-later	License: AGPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.